The journey takes about an hour, but you won't be on the train for most of the time!
Find out about the narrow gauge railways of Porthmadog and how they became famous around the world with your free visitor guide.
A whole family can ride up and down all day for just £21.75! You can find full fare details here.
Most of the site is level, and there's a wheelchair accessible carriage on every train. Click here for more practical information.